Global Patent Index - EP 0424867 B1

EP 0424867 B1 19940720 - Electric motor cooling device.

Title (en)

Electric motor cooling device.

Title (de)

Kühlvorrichtung für Elektromotoren.

Title (fr)

Dispositif de refroidissement pour moteurs électriques.

Publication

EP 0424867 B1 19940720 (DE)

Application

EP 90120281 A 19901023

Priority

DE 8912578 U 19891024

Abstract (en)

[origin: EP0424867A1] On a godet drive motor the cooling ducts (30, 30a) distributed axially parallel over the circumference of the motor casing (1, 2, 3) and serving to cool the motor are provided in a profiled shell (25), preferably subdivided into a plurality of segments and enclosing a smooth cylindrical motor casing (3). At least one blower wheel (23, 41) fixed on the motor shaft (6) delivers cooling air through the cooling ducts. <IMAGE>

IPC 1-7

H02K 9/14

IPC 8 full level

D02J 13/00 (2006.01); H02K 9/14 (2006.01)

CPC (source: EP)

D02J 13/005 (2013.01); H02K 9/14 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0424867 A1 19910502; EP 0424867 B1 19940720; DE 59006498 D1 19940825; DE 8912578 U1 19910221

DOCDB simple family (application)

EP 90120281 A 19901023; DE 59006498 T 19901023; DE 8912578 U 19891024